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RISC-V: Add TLSDESC reloc definitions.

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bfd/
    * elfxx-riscv.c: Add 5 TLSDESC reloc descriptions.
    * reloc.c: Likewise.
    * libbfd.h: Regenerate.
    * bfd-in2.h: Regenerate.
include/
    * elf/riscv.h: Add 5 TLSDESC reloc descriptions.
This commit is contained in:
Tatsuyuki Ishi 2024-02-21 02:55:49 +09:00 committed by Nelson Chu
parent 3243d790ee
commit dc1470f1d8
5 changed files with 95 additions and 1 deletions
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4
bfd/bfd-in2.h
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@ -5420,6 +5420,10 @@ enum bfd_reloc_code_real
BFD_RELOC_RISCV_TLS_DTPREL64,
BFD_RELOC_RISCV_TLS_TPREL32,
BFD_RELOC_RISCV_TLS_TPREL64,
BFD_RELOC_RISCV_TLSDESC_HI20,
BFD_RELOC_RISCV_TLSDESC_LOAD_LO12,
BFD_RELOC_RISCV_TLSDESC_ADD_LO12,
BFD_RELOC_RISCV_TLSDESC_CALL,
BFD_RELOC_RISCV_ALIGN,
BFD_RELOC_RISCV_RVC_BRANCH,
BFD_RELOC_RISCV_RVC_JUMP,

75
bfd/elfxx-riscv.c
View File

@ -218,7 +218,20 @@ static reloc_howto_type howto_table[] =
MINUS_ONE, /* dst_mask */
false), /* pcrel_offset */
EMPTY_HOWTO (12),
HOWTO (R_RISCV_TLSDESC, /* type */
0, /* rightshift */
0, /* size is handled by dynamic linker */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_RISCV_TLSDESC", /* name */
false, /* partial_inplace */
0, /* src_mask */
MINUS_ONE, /* dst_mask */
false), /* pcrel_offset */
EMPTY_HOWTO (13),
EMPTY_HOWTO (14),
EMPTY_HOWTO (15),
@ -808,6 +821,62 @@ static reloc_howto_type howto_table[] =
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
HOWTO (R_RISCV_TLSDESC_HI20, /* type */
0, /* rightshift */
4, /* size */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_RISCV_TLSDESC_HI20", /* name */
true, /* partial_inplace */
0, /* src_mask */
ENCODE_UTYPE_IMM (-1U), /* dst_mask */
false), /* pcrel_offset */
HOWTO (R_RISCV_TLSDESC_LOAD_LO12, /* type */
0, /* rightshift */
4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_RISCV_TLSDESC_LOAD_LO12", /* name */
false, /* partial_inplace */
0, /* src_mask */
ENCODE_ITYPE_IMM (-1U), /* dst_mask */
false), /* pcrel_offset */
HOWTO (R_RISCV_TLSDESC_ADD_LO12, /* type */
0, /* rightshift */
4, /* size */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_RISCV_TLSDESC_ADD_LO12", /* name */
false, /* partial_inplace */
0, /* src_mask */
ENCODE_ITYPE_IMM (-1U), /* dst_mask */
false), /* pcrel_offset */
HOWTO (R_RISCV_TLSDESC_CALL, /* type */
0, /* rightshift */
0, /* size */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_RISCV_TLSDESC_CALL", /* name */
false, /* partial_inplace */
0, /* src_mask */
ENCODE_ITYPE_IMM (-1U), /* dst_mask */
false) /* pcrel_offset */
};
static reloc_howto_type howto_table_internal[] =
@ -935,6 +1004,10 @@ static const struct elf_reloc_map riscv_reloc_map[] =
{ BFD_RELOC_RISCV_TPREL_LO12_I, R_RISCV_TPREL_LO12_I },
{ BFD_RELOC_RISCV_TLS_GOT_HI20, R_RISCV_TLS_GOT_HI20 },
{ BFD_RELOC_RISCV_TLS_GD_HI20, R_RISCV_TLS_GD_HI20 },
{ BFD_RELOC_RISCV_TLSDESC_HI20, R_RISCV_TLSDESC_HI20 },
{ BFD_RELOC_RISCV_TLSDESC_LOAD_LO12, R_RISCV_TLSDESC_LOAD_LO12 },
{ BFD_RELOC_RISCV_TLSDESC_ADD_LO12, R_RISCV_TLSDESC_ADD_LO12 },
{ BFD_RELOC_RISCV_TLSDESC_CALL, R_RISCV_TLSDESC_CALL },
{ BFD_RELOC_RISCV_ALIGN, R_RISCV_ALIGN },
{ BFD_RELOC_RISCV_RVC_BRANCH, R_RISCV_RVC_BRANCH },
{ BFD_RELOC_RISCV_RVC_JUMP, R_RISCV_RVC_JUMP },

4
bfd/libbfd.h
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@ -2409,6 +2409,10 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_RISCV_TLS_DTPREL64",
"BFD_RELOC_RISCV_TLS_TPREL32",
"BFD_RELOC_RISCV_TLS_TPREL64",
"BFD_RELOC_RISCV_TLSDESC_HI20",
"BFD_RELOC_RISCV_TLSDESC_LOAD_LO12",
"BFD_RELOC_RISCV_TLSDESC_ADD_LO12",
"BFD_RELOC_RISCV_TLSDESC_CALL",
"BFD_RELOC_RISCV_ALIGN",
"BFD_RELOC_RISCV_RVC_BRANCH",
"BFD_RELOC_RISCV_RVC_JUMP",

8
bfd/reloc.c
View File

@ -5002,6 +5002,14 @@ ENUMX
BFD_RELOC_RISCV_TLS_TPREL32
ENUMX
BFD_RELOC_RISCV_TLS_TPREL64
ENUMX
BFD_RELOC_RISCV_TLSDESC_HI20
ENUMX
BFD_RELOC_RISCV_TLSDESC_LOAD_LO12
ENUMX
BFD_RELOC_RISCV_TLSDESC_ADD_LO12
ENUMX
BFD_RELOC_RISCV_TLSDESC_CALL
ENUMX
BFD_RELOC_RISCV_ALIGN
ENUMX

5
include/elf/riscv.h
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@ -44,6 +44,7 @@ START_RELOC_NUMBERS (elf_riscv_reloc_type)
RELOC_NUMBER (R_RISCV_TLS_DTPREL64, 9)
RELOC_NUMBER (R_RISCV_TLS_TPREL32, 10)
RELOC_NUMBER (R_RISCV_TLS_TPREL64, 11)
RELOC_NUMBER (R_RISCV_TLSDESC, 12)
/* Relocation types not used by the dynamic linker. */
RELOC_NUMBER (R_RISCV_BRANCH, 16)
@ -90,6 +91,10 @@ START_RELOC_NUMBERS (elf_riscv_reloc_type)
/* Reserved 59 for R_RISCV_PLT32. */
RELOC_NUMBER (R_RISCV_SET_ULEB128, 60)
RELOC_NUMBER (R_RISCV_SUB_ULEB128, 61)
RELOC_NUMBER (R_RISCV_TLSDESC_HI20, 62)
RELOC_NUMBER (R_RISCV_TLSDESC_LOAD_LO12, 63)
RELOC_NUMBER (R_RISCV_TLSDESC_ADD_LO12, 64)
RELOC_NUMBER (R_RISCV_TLSDESC_CALL, 65)
END_RELOC_NUMBERS (R_RISCV_max)
/* Internal relocations used exclusively by the relaxation pass. */